package com.klb.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

/**
 * Created by fujia on 2016/6/1.
 */
public class CharsetEncodingFilter implements Filter {
    private String endcoding;


    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

        //设置web.xml中配置的字符集
        request.setCharacterEncoding(endcoding);

        //继续执行
        chain.doFilter(request, response);


    }

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        this.endcoding = filterConfig.getInitParameter("endcoding");
    }
}
